Équations équilibrées la veille |
2 Cr(CH3CO2)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(CH3CO2)2
NaHCO3 + C6H8O7 = Na3(C6H5O7) + CO2 + H2O =>
3 NaHCO3 + C6H8O7 = Na3(C6H5O7) + 3 CO2 + 3 H2O
Fe2O3(s) + F2(g) = FeF3(s) + O3(g) =>
Fe2O3(s) + 3 F2(g) = 2 FeF3(s) + O3(g)
[Cu(H2O)6]{+2} + NH3 = [Cu(NH3)4(H2O)2]{+2} + H2O =>
[Cu(H2O)6]{+2} + 4 NH3 = [Cu(NH3)4(H2O)2]{+2} + 4 H2O
Be2 + Cl = Be2Cl =>
Be2 + Cl = Be2Cl
Tc + H2SO4 = TcSO4 + H2 =>
Tc + H2SO4 = TcSO4 + H2
NH2 + H2SO4 = (NH4)2 + SO4 =>
2 NH2 + 2 H2SO4 = (NH4)2 + 2 SO4
C6H12O6H2O = C6H14O7 =>
C6H12O6H2O = C6H14O7
Ca(OH)2 + Cr2O3 = CaO + Cr(OH)3 =>
3 Ca(OH)2 + Cr2O3 = 3 CaO + 2 Cr(OH)3
CdCrO3 + Al(No3)3 = Cd(No3)2 + Al2(CrO3)3 =>
3 CdCrO3 + 2 Al(No3)3 = 3 Cd(No3)2 + Al2(CrO3)3
Cu + H + CaO = Cu(OH)2 + Ca =>
Cu + 2 H + 2 CaO = Cu(OH)2 + 2 Ca
CrO4 + Ag = Ag2(CrO4) =>
CrO4 + 2 Ag = Ag2(CrO4)
HgO + KI + H2O = HgI4 + OH + K =>
HgO + 4 KI + H2O = HgI4 + 2 OH + 4 K
SO3 + Zn(OH)2 = ZnSO3 + OH =>
SO3 + Zn(OH)2 = ZnSO3 + 2 OH
NH3 + BaCl2 = Ba3N2 + HCl =>
2 NH3 + 3 BaCl2 = Ba3N2 + 6 HCl
C20H42O + O2 = C + H2O =>
C20H42O + 10 O2 = 20 C + 21 H2O
KSCN + NaCl = KCl + NaSCN =>
KSCN + NaCl = KCl + NaSCN
HNO3(aq) = N2O5(s) + H2O(l) =>
2 HNO3(aq) = N2O5(s) + H2O(l)
NaOH + Pb(NO3)2 = Na + NO3 + PbOH =>
NaOH + Pb(NO3)2 = Na + 2 NO3 + PbOH
Fe + I2 = Fe(I2)3 =>
Fe + 3 I2 = Fe(I2)3
Cr + HBr = H + CrBr2 =>
Cr + 2 HBr = 2 H + CrBr2
Al2(CrO4)3 + (NH4)2S = (NH4)2CrO4 + Al2S3 =>
Al2(CrO4)3 + 3(NH4)2S = 3(NH4)2CrO4 + Al2S3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaCo3 + Ar = CaCo3Ar =>
CaCo3 + Ar = CaCo3Ar
HPO + Be(OH)2 = Be(PO)2 + H2O =>
2 HPO + Be(OH)2 = Be(PO)2 + 2 H2O
Be(NO3)2 + Be(OH)2 = BeOHNO3 =>
Be(NO3)2 + Be(OH)2 = 2 BeOHNO3
ammoniumchloride + silvernitrate = silverchloride + ammoniumnitrate =>
NH4Cl + AgNO3 = AgCl + NH4NO3
C7H7O3 + CH3OH = C8H10O3 + H3O =>
7 C7H7O3 + 23 CH3OH = 9 C8H10O3 + 17 H3O
Na3N = Na(s) + N2 =>
2 Na3N = 6 Na(s) + N2
AgNo3 + K2CrO4 = AgCrO4 + K2No3 =>
AgNo3 + K2CrO4 = AgCrO4 + K2No3
Ca(C2H3O2)2 = CaCO3CH3COCH3 =>
Ca(C2H3O2)2 = CaCO3CH3COCH3
HS2 + O2 = SO4 + H2O2 =>
2 HS2 + 9 O2 = 4 SO4 + H2O2
CdCl2 + NaOH = Cd(OH)2 + NaCl =>
CdCl2 + 2 NaOH = Cd(OH)2 + 2 NaCl
V2O5 + CaO = CaV2O6 =>
V2O5 + CaO = CaV2O6
HCl + NaOH = Na{+} + Cl{-} + H2O =>
HCl + NaOH = Na{+} + Cl{-} + H2O
CC + H2 + O2 = CH3OH =>
CC + 4 H2 + O2 = 2 CH3OH
N2O = N2 + O2 =>
2 N2O = 2 N2 + O2
Cu(NO3)2(aq) + H2O = Cu(H2O) + NO3 =>
Cu(NO3)2(aq) + H2O = Cu(H2O) + 2 NO3
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
KMnO4 + HCl + C = CCl4 + MnCl2 + KCl + H2O =>
4 KMnO4 + 32 HCl + 5 C = 5 CCl4 + 4 MnCl2 + 4 KCl + 16 H2O
Al3 + NaOH = Al(OH)2 + Na =>
Al3 + 6 NaOH = 3 Al(OH)2 + 6 Na
CuCl2 + NaNO3 = CuCl2NaNO3 =>
CuCl2 + NaNO3 = CuCl2NaNO3
Al + HCOOH = AlOH + HCO =>
Al + HCOOH = AlOH + HCO
CaCl2(aq) + (NH4)2C2O4 = CaC2O4(s) + NH4Cl(aq) =>
CaCl2(aq) + (NH4)2C2O4 = CaC2O4(s) + 2 NH4Cl(aq)
HCOONa + H2SO4 = NaHSO4 + CO + H2O =>
HCOONa + H2SO4 = NaHSO4 + CO + H2O
LiI + H2O = LiOH + HI =>
LiI + H2O = LiOH + HI
Zn + PbNO{3-} = ZnNO{3-} + Pb =>
Zn + PbNO{3-} = ZnNO{3-} + Pb
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
NiCl2 + O = Ni2O2 + Cl2O5 =>
2 NiCl2 + 12 O = Ni2O2 + 2 Cl2O5
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